<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>出错啦</title>
    <style>
        *{
            margin: 0;
            padding: 0;
        }

        body{
            width: 100%;
            height: 100%;
            background-color: bisque;
        }
        .box{
            width: 800px;
            height: 500px;
            line-height: 500px;
            text-align: center;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background-color: cornflowerblue;
            color: cornsilk;
            border-radius: 50px;
        }
        h1{
            font-size: 60px;
        }
        a{
            display: block;
            font-size: 30px;
            text-decoration: none;
            position: absolute;
            top: 20%;
            left: 50%;
            transform: translate(-50%, 0);
            color: cornsilk;
        }
        a:hover{
            color: #000;
        }
    </style>
</head>
<body>
    <div class="box">
        <h1>404 Not Found</h1>
        <a href="http://localhost:8888/">回到首页</a>
    </div>
</body>
</html>